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Klyuchevskoy volcano
Stratovolcano 4835 m (15,863 ft)
Kamchatka, 56.06°N / 160.64°E
Current status: minor activity or eruption warning (3 out of 5)
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Klyuchevskoy volcano eruptions:
1697-98, 1720-21, 1727-31, 1737, 1740, 1762, 1767, 1770, 1772, 1785, 1787, 1788, 1789-90, 1791, 1807, 1812, 1813, 1819-22, 1829, 1840, 1848, 1852, 1853-54, 1865, 1877, 1878, 1879, 1882, 1883, 1890, 1896-97, 1890, 1896-97, 1898, 1904, 1907, 1909, 1910, 1911, 1913, 1915, 1922, 1923, 1925, 1926, 1929, 1931, 1932, 1935-36, 1937-39, 1944-1945, 1946, 1948, 1949, 1951, 1953, 1954, 1956, 1957, 1958, 1959, 1960-63, 1963-64, 1965-1966, 1967, 1968, 1969, 1970, 1971, 1971-73, 1974, 1977-80, 1981, 1982, 1982-83, 1984-85, 1986, 1986-90, 1991, 1992, 1992-93, 1994-95, 1996-97, 1998, 1999, 2000, 2002, 2002-04, 2005 - ongoing
Typical eruption style:
Dominantly explosive, strombolian and vulcanian activity, sometimes lava flows from fissure vents. At present in a phase of near-persistant activity.
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Satelite Image by (c) Google & NASA
Satelite Image by (c) Google & NASA
 

Klyuchevsky volcano news & activity updates

Klyuchevskoy volcano (Kamchatka): continuing activity, volcano makes steam rings

Thursday Jul 07, 2016 17:08 PM | BY: T

Lava flow and glow from strombolian explosions at Klyuchevskoy volcano on 6 July 2016 (KVERT)
Lava flow and glow from strombolian explosions at Klyuchevskoy volcano on 6 July 2016 (KVERT)
Smoke ring on Klyuchevskoy volcano (5 July) (image annotated by Culture Volcan)
Smoke ring on Klyuchevskoy volcano (5 July) (image annotated by Culture Volcan)
The effusive-explosive eruption of the volcano continues. The active lava flow on the eastern slope remains well alimented and ash emissions from intense strombolian activity at the summit often generate smaller and moderately sized ash plumes that reach several hundred meters of height above the crater.
During end of June, a series of collapses occurred from the lava flow on the eastern slope, generating small glowing avalanches.
The rhythmic explosive activity at the summit crater also generates occasional "smoke rings" (or better: gas rings, ring vortexes created by rapid degassing through circular vents) such as the one shown in the second picture attached.
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Links / Sources:
Previous news
Steam and ash plumes from Kliuchevskoy volcano this morning (KVERT webcam)
Saturday, Jun 18, 2016
The effusive and mildly explosive eruption of the volcano continues with no significant changes. Regular strombolian explosions in the summit crater often produce small puffs of steam and ash that can be seen drifting from the volcano. ... [more]
The two lava flows of Klyuchevskoy volcano seen on the latest Landsat 8 satellite image (USGS/Landsat 8)
Thursday, Jun 16, 2016
The eruption of the volcano continues with little changes during the past weeks - there are now two active lava flows on the SE flank, both about 2 km long from the summit crater. ... [more]
The lava flow of Klyuchevskoy volcano on 2 June 2016 (KVERT webcam)
Saturday, Jun 04, 2016
The effusion of a lava flow on the southeastern flank of the volcano continues with little changes. A second flow branch has recently made its appearance. ... [more]

Wednesday, Apr 27, 2016
As had been previously suggested, the volcano's most recent eruptive phase had become both effusive and explosive: in addition to ash-generating strombolian explosions from the summit vent, a new, but short-lived lava flow appeared during 23 or 24 April and descended approx. 800 m on the south-eastern flank of the volcano (along the Apakhonchich ravine). ... [more]
Klyuchevskoi volcano this morning with what is likely a new lava flow (KVERT webcam)
Sunday, Apr 24, 2016
The activity of the volcano has intensified, in particular during the past 24-36 hours. KVERT reported that strong strombolian explosions produced an ash plume that rose to 8-9 km altitude that drifted more than 400 km to the SW. ... [more]

NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large
NASA photo of the eruption of Klyuchevsky volcano on 30 September, 1994, the volcano's largest explosion in 40 years. The large

Background:

Kliuchevskoi is Kamchatka's highest and most active volcano.  Since its origin about 6000 years ago, the beautifully symmetrical, 4835-m-high basaltic stratovolcano has produced frequent moderate-volume explosive and effusive eruptions without major periods of inactivity.  Kliuchevskoi rises above a saddle NE of sharp-peaked Kamen volcano and lies SE of the broad Ushkovsky massif.  More than 100 flank eruptions have occurred at Kliuchevskoi during the past roughly 3000 years, with most lateral craters and cones occurring along radial fissures between the unconfined NE-to-SE flanks of the conical volcano between 500 m and 3600 m elevation.  The morphology of its 700-m-wide summit crater has been frequently modified by historical eruptions, which have been recorded since the late-17th century.  Historical eruptions have originated primarily from the summit crater, but have also included numerous major explosive and effusive eruptions from flank craters.


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Source: Klyuchevsky information by the GVP (Smithsonian Institution)



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